Fastener, Hexagon Bolt, U Type Bolt manufacturer / supplier in China, offering Hot Dipped Galvanized 0.2mm-0.3mm Thin Thickness Steel Coil for Welding Cutting Bending-Available for Sale, High Quality Dx54D 0.5mm 24 Gauge 12 Feet Gi Sheet Plate Hot DIP Galvanized Steel Coil, Manufacturer of 0.35mm 0.4mm 22 Gauge Gi Iron Sheet Galvanized Steel Coil Price for Roofing Plate and so on.